HM
Howard Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Howard Martin across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Stella — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Martin |
| Given Name | Howard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 Thurmont |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 685 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Mechanic |
| Township / Ward | Election District 15 Thurmont |
| Est. Birth Year | ~1902 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Howard | Age | Birth yr |
|---|---|---|---|---|
| Howard Martin | Head | — | 38 | ~1902 |
| Edith Martin | Spouse | — | 37 | ~1903 |
| Gladys Martin | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Frederick, Maryland
Son, age 17
Frederick, Maryland · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Dry Goods Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Head, age 27
Frederick, Maryland · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Howard J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Auto repairs |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 38
Frederick-County, Maryland · implied b. ~1902 — 3 household members
| Surname | Martin |
| Given Name | Howard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 Thurmont |
| 1935 Residence (County) | Frederick |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 685 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Howard Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Martin (~0.92 confidence) and mother Stella Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Martin
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Stella Martin
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Howard Martin
Head · 1940 · age 38 · b. ~1902 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sydney Wolfe | 14 | Son | — | Maryland |
| 2 | Elma Wolfe | 13 | Daughter | — | Maryland |
| 3 | Paul Wolfe | 10 | Son | — | Maryland |
| 4 | Thelma Wolfe | 7 | Daughter | — | Maryland |
| 5 | Wilbur Black | 26 | Head | Laborer | Pennsylvania |
| 6 | Mildred Black | 22 | Wife | — | Maryland |
| 7 | Howard Martin THIS PERSON | 38 | Head | Mechanic | Maryland |
| 8 | Edith Martin | 37 | Wife | — | Maryland |
| 9 | Gladys Martin | 14 | Daughter | — | Maryland |
| 10 | Victor Kifer | 54 | Head | Owner | Maryland |
| 11 | Eva Kifer | 49 | Wife | — | Maryland |
| 12 | Stennis Bonnell | 39 | Head | Manager | Maryland |
| 13 | William Casey | 36 | Head | Wood Cutter | Maryland |
| 14 | Stella M. Casey | 52 | Wife | — | Maryland |
| 15 | Marie M. Casey | 36 | Daughter | — | Maryland |
| 16 | Alice E. Stultz | 25 | Boarder | — | Maryland |
| 17 | Sadie R. Lewis | 29 | Boarder | — | Maryland |
| 18 | Harry Hewitt | 50 | Head | — | Maryland |
| 19 | Mary D. Hewitt | 52 | Wife | — | Maryland |
| 20 | Richard Hewitt | 23 | Son | Laborer | Maryland |
| 21 | Pauline Hewitt | 20 | Wife | — | Maryland |
| 22 | Melvin Hewitt | 25 | Head | Laborer | Maryland |
| 23 | Charlotte Hewitt | 22 | Wife | — | Maryland |
| 24 | Melvin Jr. Hewitt | 5 | Son | — | Maryland |
| 25 | Mary Hewitt | 3 | Daughter | — | Maryland |
| 26 | Lee Hewitt | 1 | Son | — | Maryland |
| 27 | Karl Benn | 40 | Head | — | Maryland |
| 28 | Madeline Benn | 41 | Wife | — | Maryland |
| 29 | Robert Benn | 12 | Son | — | Maryland |
| 30 | Jack Benn | 10 | Son | — | Maryland |
| 31 | June Benn | 6 | Daughter | — | Maryland |
| 32 | John W. Kelbaugh | 78 | Head | — | Maryland |
| 33 | D. Earle Kelbaugh | 46 | Son | Postmaster | Maryland |
| 34 | Ida Kelbaugh | 43 | Daughter | Farmer | Maryland |
| 35 | Jean Kelbaugh | 12 | Daughter | — | Maryland |
| 36 | Arthur Wastler | 34 | Head | Plumber | Maryland |
| 37 | Julia Wastler | 47 | Wife | — | West Virginia |
| 38 | Betty Jean Wastler | 10 | Daughter | — | West Virginia |
| 39 | Doris Wastler | 7 | Daughter | — | Maryland |
| 40 | Nancy Lee Wastler | 4 | Daughter | — | Maryland |
Pedigree Summary
Howard
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)